Essays about: "coliform bacteria"

Showing result 16 - 20 of 23 essays containing the words coliform bacteria.

  1. 16. Safe retrieval of nutrients to improve food security

    University essay from SLU/Dept. of Energy and Technology

    Author : Marcus Hjalmarsson; [2012]
    Keywords : Ammonia; Food safety; Food security; Hygiene; Sanitation; Urea;

    Abstract : Safe retrieval of nutrients from human excreta to fertilize crops in order to gain adequate yields will increase food security and sustainability in agriculture areas with nutrient-poor fields. Safe and nutritious food will meet the dietary needs of the individual which promotes public health and the ability of an active life. READ MORE

  3. 17. Using Ultrasound as a Pretreatment Method for Ultraviolet Disinfection of Wastewaters

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Shaghayegh Armioun; [2011]
    Keywords : wastewater treatment; uv disinfection; ultrasound; ultraviolet; sonication; kaolin; breakage of wastewater flocs;

    Abstract : In this study, the effects of neutral particles addition on the breakage of wastewater flocs toimprove the efficiency of sonication pretreatment for UV disinfection process have been studied.Kaolin particles as a potentially useful material that is neutral, natural and cheap were added towastewater samples prior to sonication. READ MORE

  4. 18. Water quality and sanitation in rural Moldova

    University essay from Uppsala universitet/Luft-, vatten- och landskapslära

    Author : Hanna Hugosson; Katja Larnholt; [2010]
    Keywords : Republic of Moldova; groundwater; contamination; nitrate; coliform bacteria; sanitation; ecosan; DRASTIC;

    Abstract : Because of the impact on human health and sustainable livelihood, the topic of drinking water and sanitation facilities is becoming a seriously discussed issue among international organizations as well as developing agencies in industrialized countries. The importance of water and sanitation management initialized this master thesis. READ MORE

  5. 19. A Feasibility Study on Sustainable Wastewater Treatment Using Constructed Wetlands - An Example from Cochabamba, Bolivia

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Helena Cordesius; Sofia Hedstrom; [2009]
    Keywords : minor field study; water treatment; Cochabamba; constructed wetlands; sewage water; horizontal subsurface flow; Bolivia; reuse of wastewater; wastewater; Technology and Engineering;

    Abstract : Cochabamba in Bolivia is an example of a city that faces increasing environmental problems and health risks due to insufficient sewage system coverage and municipal wastewater treatment. The situation is especially severe in peri-urban fast growing settlements. READ MORE

  6. 20. Sources of human pathogens in urban waters

    University essay from Sektionen för ekonomi och teknik (SET)

    Author : Mariam Younis Hussein; [2009]
    Keywords : Indicator bacteria; E.coli; enterococci; Giardia; Cryptosporidium; urban wastewater treatment plants; urban stormwater;

    Abstract : The presence of human pathogens in water indicates the sanitary risk associated with different types of water utilization. This study surveyed the sources of human pathogens in urban waters. In order to evaluate the microbiological water quality of urban water, the enumeration of various indicator bacteria (total coliform, fecal coliform, E. READ MORE